221437875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31079}}^1$

素因数の和:31116

約数の個数: 32

約数和(自身を含む): 387878400

約数和(自身を除く): 166440525

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 7125, 31079, 93237, 155395, 466185, 590501, 776975, 1771503, 2330925, 2952505, 3884875, 8857515, 11654625, 14762525, 44287575, 73812625, 221437875]

約数ペア:

[(1, 221437875), (3, 73812625), (5, 44287575), (15, 14762525), (19, 11654625), (25, 8857515), (57, 3884875), (75, 2952505), (95, 2330925), (125, 1771503), (285, 776975), (375, 590501), (475, 466185), (1425, 155395), (2375, 93237), (7125, 31079)]